Unamuno y Jugo, M. d., & Kerrigan, A. (1972). The tragic sense of life in men and nations. Princeton University Press.
Chicago Style (17. basım) AtıfUnamuno y Jugo, Miguel de, ve Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. [Princeton, N.J.]: Princeton University Press, 1972.
MLA (9th ed.) AtıfUnamuno y Jugo, Miguel de, ve Anthony Kerrigan. The Tragic Sense of Life in Men and Nations. Princeton University Press, 1972.
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